I need all please 40. Use molecular orbital theory to develop the electron configuration of Please also find the bon...
40. Use molecular orbital theory to develop the electron configuration of Plense also find the bond order and determine if it is paramagnetie or diamagnetie, 41. What is the wavelength of microwave radiation with a frequency of 1.365 x 10°/sec? 42. What is the energy of a photon corresponding to radio waves of frequency 1.258 x 10 /sec? 43. Calculate the frequency of electromagnetic radiation emitted by the hydrogen atom in the electron transition from n = 4 to n...
need help with all ... 10. Calculate the wavelength of the spectral line in the comission spectrum of hydrogen for which land 3. 277 mm b. 103 mm c. 345 mm d. 397 mm 11. For the wavelength emitted by hydrogen above question 10). what region of the electromagnetic spectrum does this photos belong to? Infrared b. Visible c. Ultraviolet d. X-Ray Radio waves 12. Magnesium forma m a mic ion which has the clectronic configuration of a moble as...
hello please answer all questions or at least the first six questions. please type! thanks 7. Define exothermic and endothermic. What is the sign on q for each type of reaction? 8. A dental hygienist uses x-rays (I 0.100 nm) to take a series of dental radiographs while the patient listens to a radio station ( 325 cm) and looks out the window at the blue sky (l 473 nm). What is the frequency (in s') of the electromagnetic radiation...
All questions showing all work and units please Chemistry 101/103 Due date: Friday, November 14.2019 Problem Set 2: Atomic Structure and Chemical Bonding 1. (15 marks) When the excited electron in a hydrogen atom falls from an unknown level to n-5, a photon of 3740 nm wavelength is emitted. What is the initial position for this electron? 2. (15 marks) Answer and explain: a) How many electrons can have: i.n=3,1 = 2? ii.n=3,1-2, m/=0? iii. n=3,1=2, ms - +1/2? iv....
What is the coefficient of H.So, when the following equation is properly balanced with the smallest set of whole numbers? __Cas(PO4h + H2SO4 - Caso + HPO. A) 3 B) 8 C) 10 D) 11 2) What is the coefficient of H20 when the following equation is properly balanced with smallest set of whole numbers? ALC + H2O - AM(OH), + CHE A) 3 B) 4 C) 6 D) 12 E) 24 3) of the reactions below, which one is...